APA (7. basım) Alıntı

Unamuno y Jugo, M. d., & Kerrigan, A. (1972). The tragic sense of life in men and nations. Princeton University Press.

Chicago Style (17. basım) Atıf

Unamuno y Jugo, Miguel de, ve Anthony Kerrigan. The Tragic Sense of Life in Men and Nations. [Princeton, N.J.]: Princeton University Press, 1972.

MLA (9th ed.) Atıf

Unamuno y Jugo, Miguel de, ve Anthony Kerrigan. The Tragic Sense of Life in Men and Nations. Princeton University Press, 1972.